as you can see early voters 50% voting for president obama. obama, 44% for mitt romney. election day that means mitt romney has to get 53% of the vote in florida if he's going to win. so that is a pretty hefty tag to run up. that's all according to the obama campaign. in iowa over a third of voters have already voted there. and among those early voters, you can see 64% of those are supporting barack obama. 35% of them are supporting mitt romney. and that means that mitt romney is going to need to win 59% of election-day voters. in north carolina, nearly half of all ballots have already been cast. and of those who have already been cast, 58% of those early voters favor the president. 41% of those favor mitt romney. so mitt romney is going to need to win 57% of north carolina on election day. we're seeing that pattern play out in the other swing states, too like nevada, virginia, wisconsin. so the republicans are trying to make up ground. in florida we're seeing this because republican leaders are on a two-day bus tour promoting early voting. here is romney florida campaig